How to Contact Canada Revenue Agency for Tax Refund?

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Please join, 5 minutes before your scheduled virtual appointment time. For general information and free Maryland income tax assistance call Taxpayer Services at 410-260-7980 from Central Maryland, or 1-800-MD-TAXES (1-800-638-2937). Assistance is available 8:30 a.m. – 4:30 p.m., Monday through Friday.